{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:LNPSHLTBH4RVMTDX7P4OHVAZXT","short_pith_number":"pith:LNPSHLTB","canonical_record":{"source":{"id":"1801.05945","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2018-01-18T05:46:28Z","cross_cats_sorted":[],"title_canon_sha256":"6cef83e713aedb1cd7f0f80d15756565123d31d456b155fdd06bae8fe4f7712c","abstract_canon_sha256":"8425c212a7a8baa8fc476f3e19517ebe08573c12320dec25e30237066e844f3b"},"schema_version":"1.0"},"canonical_sha256":"5b5f23ae613f23564c77fbf8e3d419bcf0134661330fd72567fb9de5f18389ec","source":{"kind":"arxiv","id":"1801.05945","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1801.05945","created_at":"2026-05-18T00:25:36Z"},{"alias_kind":"arxiv_version","alias_value":"1801.05945v1","created_at":"2026-05-18T00:25:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1801.05945","created_at":"2026-05-18T00:25:36Z"},{"alias_kind":"pith_short_12","alias_value":"LNPSHLTBH4RV","created_at":"2026-05-18T12:32:37Z"},{"alias_kind":"pith_short_16","alias_value":"LNPSHLTBH4RVMTDX","created_at":"2026-05-18T12:32:37Z"},{"alias_kind":"pith_short_8","alias_value":"LNPSHLTB","created_at":"2026-05-18T12:32:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:LNPSHLTBH4RVMTDX7P4OHVAZXT","target":"record","payload":{"canonical_record":{"source":{"id":"1801.05945","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2018-01-18T05:46:28Z","cross_cats_sorted":[],"title_canon_sha256":"6cef83e713aedb1cd7f0f80d15756565123d31d456b155fdd06bae8fe4f7712c","abstract_canon_sha256":"8425c212a7a8baa8fc476f3e19517ebe08573c12320dec25e30237066e844f3b"},"schema_version":"1.0"},"canonical_sha256":"5b5f23ae613f23564c77fbf8e3d419bcf0134661330fd72567fb9de5f18389ec","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:25:36.016808Z","signature_b64":"bx0MnHe3xJKjEFV90lsB7e615i/XliIqbx85s2urhh/Y/riLt3MTs4JkELWxgBpgTwt4CIpAGcY/wc+jURRJCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5b5f23ae613f23564c77fbf8e3d419bcf0134661330fd72567fb9de5f18389ec","last_reissued_at":"2026-05-18T00:25:36.015928Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:25:36.015928Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1801.05945","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:25:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"h6W5HzOnrlO5t3MlEv9Ucoln2yWGSfrKb6rFY9zTI3BQiYtZOxYBwIJIXzBrk9SaKMD89ahD/iT7shdWcO5FDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T21:22:30.682685Z"},"content_sha256":"0d38f50c040509923c1a7eba4193eda944ca7dfb58555d609625146ebb883503","schema_version":"1.0","event_id":"sha256:0d38f50c040509923c1a7eba4193eda944ca7dfb58555d609625146ebb883503"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:LNPSHLTBH4RVMTDX7P4OHVAZXT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Excellent microwave and magnetic properties of La-Cu substituted Ba-hexaferrites prepared by ceramic process","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.app-ph","authors_text":"Alexander S. Sokolov, Chengju Yu, Chuanjian Wu, Ke Sun, Rongdi Guo, Vincent G. Harris, Xiaona Jiang, Yan Yang, Zhongwen Lan, Zhong Yu","submitted_at":"2018-01-18T05:46:28Z","abstract_excerpt":"We demonstrate exceptional microwave magnetic performance of crystallographycally textured barium hexaferrites prepared by conventional ceramic method. Vibrating sample magnetometer (VSM) and rectangular cavity perturbation measurements indicate that bulk Ba0.8La0.2Fe11.2Cu0.2O19 samples exhibit a strong magnetic anisotropy field Ha of 14.6kOe, the highest remanent magnetization of 3.96kGs, and the lowest ferromagnetic resonance (FMR) linewidth of 401Oe with zero applied bias field at Q-band. Broadband millimeter-wave transmittance measurements determined the complex permeability and permittiv"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1801.05945","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:25:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Xq56G+fFCsqKuu1y0HfOk+esI5RM+n47AScuBJU/6uXv/EvI4JzRKPT0CmeGL8nVkEMw+KwCAHhaNpyBgSL2Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T21:22:30.683411Z"},"content_sha256":"662c71fb033f7066988d27e66cb37238a72050794dc3dd6898dba33afdd4bc39","schema_version":"1.0","event_id":"sha256:662c71fb033f7066988d27e66cb37238a72050794dc3dd6898dba33afdd4bc39"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LNPSHLTBH4RVMTDX7P4OHVAZXT/bundle.json","state_url":"https://pith.science/pith/LNPSHLTBH4RVMTDX7P4OHVAZXT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LNPSHLTBH4RVMTDX7P4OHVAZXT/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-05-29T21:22:30Z","links":{"resolver":"https://pith.science/pith/LNPSHLTBH4RVMTDX7P4OHVAZXT","bundle":"https://pith.science/pith/LNPSHLTBH4RVMTDX7P4OHVAZXT/bundle.json","state":"https://pith.science/pith/LNPSHLTBH4RVMTDX7P4OHVAZXT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LNPSHLTBH4RVMTDX7P4OHVAZXT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:LNPSHLTBH4RVMTDX7P4OHVAZXT","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"8425c212a7a8baa8fc476f3e19517ebe08573c12320dec25e30237066e844f3b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2018-01-18T05:46:28Z","title_canon_sha256":"6cef83e713aedb1cd7f0f80d15756565123d31d456b155fdd06bae8fe4f7712c"},"schema_version":"1.0","source":{"id":"1801.05945","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1801.05945","created_at":"2026-05-18T00:25:36Z"},{"alias_kind":"arxiv_version","alias_value":"1801.05945v1","created_at":"2026-05-18T00:25:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1801.05945","created_at":"2026-05-18T00:25:36Z"},{"alias_kind":"pith_short_12","alias_value":"LNPSHLTBH4RV","created_at":"2026-05-18T12:32:37Z"},{"alias_kind":"pith_short_16","alias_value":"LNPSHLTBH4RVMTDX","created_at":"2026-05-18T12:32:37Z"},{"alias_kind":"pith_short_8","alias_value":"LNPSHLTB","created_at":"2026-05-18T12:32:37Z"}],"graph_snapshots":[{"event_id":"sha256:662c71fb033f7066988d27e66cb37238a72050794dc3dd6898dba33afdd4bc39","target":"graph","created_at":"2026-05-18T00:25:36Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"We demonstrate exceptional microwave magnetic performance of crystallographycally textured barium hexaferrites prepared by conventional ceramic method. Vibrating sample magnetometer (VSM) and rectangular cavity perturbation measurements indicate that bulk Ba0.8La0.2Fe11.2Cu0.2O19 samples exhibit a strong magnetic anisotropy field Ha of 14.6kOe, the highest remanent magnetization of 3.96kGs, and the lowest ferromagnetic resonance (FMR) linewidth of 401Oe with zero applied bias field at Q-band. Broadband millimeter-wave transmittance measurements determined the complex permeability and permittiv","authors_text":"Alexander S. Sokolov, Chengju Yu, Chuanjian Wu, Ke Sun, Rongdi Guo, Vincent G. Harris, Xiaona Jiang, Yan Yang, Zhongwen Lan, Zhong Yu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2018-01-18T05:46:28Z","title":"Excellent microwave and magnetic properties of La-Cu substituted Ba-hexaferrites prepared by ceramic process"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1801.05945","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:0d38f50c040509923c1a7eba4193eda944ca7dfb58555d609625146ebb883503","target":"record","created_at":"2026-05-18T00:25:36Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"8425c212a7a8baa8fc476f3e19517ebe08573c12320dec25e30237066e844f3b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2018-01-18T05:46:28Z","title_canon_sha256":"6cef83e713aedb1cd7f0f80d15756565123d31d456b155fdd06bae8fe4f7712c"},"schema_version":"1.0","source":{"id":"1801.05945","kind":"arxiv","version":1}},"canonical_sha256":"5b5f23ae613f23564c77fbf8e3d419bcf0134661330fd72567fb9de5f18389ec","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5b5f23ae613f23564c77fbf8e3d419bcf0134661330fd72567fb9de5f18389ec","first_computed_at":"2026-05-18T00:25:36.015928Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:25:36.015928Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"bx0MnHe3xJKjEFV90lsB7e615i/XliIqbx85s2urhh/Y/riLt3MTs4JkELWxgBpgTwt4CIpAGcY/wc+jURRJCw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:25:36.016808Z","signed_message":"canonical_sha256_bytes"},"source_id":"1801.05945","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0d38f50c040509923c1a7eba4193eda944ca7dfb58555d609625146ebb883503","sha256:662c71fb033f7066988d27e66cb37238a72050794dc3dd6898dba33afdd4bc39"],"state_sha256":"8976a4d3daff6fb5d41c9700a41957a8505cc063fff449179c77f4a8aec56fef"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Re+ghjmgC9vnPgimOfpukKmS/rbPLt0bhxPfboWk2itAv72Mgaft8YS6axRdMTA8kZ9Kn01+LRtF66ep2/lnBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-29T21:22:30.687358Z","bundle_sha256":"6fdef56532c91a57fde21d754573d0df93db329ec62e1eec8af6c1257b7fa3fc"}}